libcruft-util/tap.ipp

139 lines
4.0 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifdef __UTIL_TAP_IPP
#error
#endif
#define __UTIL_TAP_IPP
#include "maths.hpp"
#include <algorithm>
#include <cstdlib>
#include <iostream>
#include "format.hpp"
///////////////////////////////////////////////////////////////////////////////
template <typename ...Args, size_t N>
void
util::TAP::logger::expect (bool test, const char (&fmt)[N], Args&&... args)
{
std::cout << (test ? "ok " : "not ok ") << ++m_size
<< " - "
<< util::format::render (fmt, std::forward<Args> (args)...) << '\n';
if (!test)
m_status = EXIT_FAILURE;
}
//-----------------------------------------------------------------------------
template <typename ...Args, size_t N>
void
util::TAP::logger::expect (const std::function<bool(Args...)> &test, Args&&... args, const char (&fmt)[N])
{
try {
expect (test (std::forward<Args> (args)...), fmt);
} catch (...) {
expect (false, fmt);
}
}
///////////////////////////////////////////////////////////////////////////////
template <typename T, typename U, typename ...Args, size_t N>
void
util::TAP::logger::expect_eq (const T&a, const U &b, const char (&fmt)[N], Args&&... args)
{
expect (almost_equal (a, b), fmt, std::forward<Args> (args)...);
}
//-----------------------------------------------------------------------------
template <typename T, typename U, typename ...Args, size_t N>
void
util::TAP::logger::expect_neq (const T&a, const U &b, const char (&fmt)[N], Args&&... args)
{
expect (!almost_equal (a, b), fmt, std::forward<Args> (args)...);
}
///////////////////////////////////////////////////////////////////////////////
#define TAP_TEST(SUFFIX,OP) \
template <typename T, typename U, typename ...Args, size_t N> \
void \
util::TAP::logger::expect_ ## SUFFIX (const T &a, \
const U &b, \
const char (&fmt)[N], \
Args&&... args) \
{ \
expect ((a) OP (b), fmt, std::forward<Args> (args)...); \
}
TAP_TEST(gt, > )
TAP_TEST(ge, >=)
TAP_TEST(lt, < )
TAP_TEST(le, <=)
#undef TAP_TEST
//-----------------------------------------------------------------------------
template <typename T, typename ...Args, size_t N>
void
util::TAP::logger::expect_nan (const T &t, const char (&fmt)[N], Args&&... args)
{
expect (std::isnan (t), fmt, std::forward<Args> (args)...);
}
//-----------------------------------------------------------------------------
template <typename T, typename ...Args, size_t N>
void
util::TAP::logger::expect_nothrow (T &&t, const char (&fmt)[N], Args&&... args)
{
bool success = true;
try {
t ();
} catch (...) {
success = false;
}
expect (success, fmt, std::forward<Args> (args)...);
}
//-----------------------------------------------------------------------------
template <typename E, typename T, typename ...Args, size_t N>
void
util::TAP::logger::expect_throw (T &&t, const char (&fmt)[N], Args&&... args)
{
bool success = false;
try {
t ();
} catch (const E&) {
success = true;
} catch (...) {
success = false;
}
expect (success, fmt, std::forward<Args> (args)...);
}